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Finding the Fourth Proportional to 69,739.97, 96,241.23 and 37,908.87

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Solution

The fourth proportional to 69,739.97, 96,241.23 and 37,908.87 is: 52,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,739.97 : 96,241.23 = 37,908.87 : x
  2. Step 2: Convert to fraction form
    69,739.97/96,241.23 = 37,908.87/x
  3. Step 3: Cross multiply
    69,739.97x = 96,241.23 × 37,908.87
  4. Step 4: Simplify right side
    69,739.97x = 3,648,396,134.55
  5. Step 5: Solve for x
    x = 3,648,396,134.55/69,739.97
  6. Step 6: Final answer
    x = 52,314.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.